Language selection

Government of Canada / Gouvernement du Canada

Search

Weather shortcuts

Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 31 March 2025

Today Tonight and Tuesday.

Wind south 20 knots veering to southwest 20 early this morning then to west 25 this afternoon. Wind veering to northwest 20 this evening then diminishing to northwest 15 overnight. Wind diminishing to west 10 near noon Tuesday then increasing to northeast 15 Tuesday evening.

Showers and fog patches with a risk of thunderstorms changing to scattered flurries this afternoon and ending this evening.

Waves

Issued 03:00 AM EDT 31 March 2025
Today Tonight and Tuesday. Waves 0.5 to 1 metre building to 1 to 1.5 early this morning then subsiding to 0.5 to 1 Tuesday morning. Waves subsiding to 0.5 Tuesday afternoon.

Extended Forecast

Issued 03:00 AM EDT 31 March 2025
Wednesday Wind northeast 15 knots increasing to east 25 in the afternoon.
Thursday Wind southwest 25 knots diminishing to west 15 late in the day.
Friday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 30 March 2025 Today Tonight and Monday Open water except 1 tenth thick lake ice near parts of the shores in the extreme northeastern section.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

Stay connected

ATOM

List of Official Text Forecasts
Resources

Weather Conditions

Skip Image

Zoom-in to make a selection

Map of Great Lakes - Lake Huron marine weather areas Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
Legend:
buoy Buoy
land station Land Station
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 30 March 2025 Today Tonight and Monday

Ice Coverage

Open water except 1 tenth thick lake ice near parts of the shores in
the extreme northeastern section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 31 March 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today quasi-stationary ridge located on a line
east-west over Hudson Bay.

At 3:00 a.m. EDT today low 996 mb located over Georgian Bay.
By 3:00 a.m. EDT Tuesday low 995 mb located over the Gulf of
St. Lawrence.

At 3:00 a.m. EDT today ridge located on a line north-south over
Manitoba.
By 3:00 a.m. EDT Tuesday ridge located on a line north-south over
Lake Superior.

Great Lakes - Lake Huron Area

Another Region

Marine Weather for Canada

Weather shortcuts


How to use
  • Add to shortcuts
    • Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button
    • Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired name
    • Click on the "Save" button to add the link to the list
    • Click on the "X" button to close the panel
  • Delete a link
    • Click on the "Organize shortcuts" button
    • Select the link to delete
    • Click on the "Delete" button to remove the link from the list
    • Click on the "Close" button to save the change
  • Move a link up/down the list
    • Click on the "Organize shortcuts" button
    • Click and hold the link and move to new location in the list
    • Click on the "Close" button to save the change
  • Rename a link
    • Click on the "Organize shortcuts" button
    • Select the link to rename
    • Click on the "Rename" button and change the link name
    • Click the enter or tab key
    • Click on the "Close" button to save the change
  • Keyboard navigation
    • Use the Tab key to move to a button or link
    • Use the Enter key to click on buttons or links
    • Organize shortcuts navigation
      • Use the ↑ Up key to select the link above. If none are selected, it will select the first link.
      • Use the ↓ Down key to select the link below. If none are selected, it will select the last link.
      • Use the Page Up key to move a selection up in the list.
      • Use the Page Down key to move a selection down in the list.
  • Restore default list

    Warning: Clicking on the button below will remove all your customized links.

Customized Weather shortcuts

Save your customized list as a bookmark.

Copy/paste or click on the link below then when the page displays, you can bookmark the page using the web browser. Bookmarking your customized list will allow you to access it even if the local storage on your device is erased.

Feedbackabout this web site
Date modified: